Seiko Cal. 6278 - 436

This Spring Drive model from 1972 features a 42mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-7842fd3d89b7]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1972

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